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Pharmacokinetics of an anti—human immunodeficiency virus antisense oligodeoxynucleotide phosphorothioate (GEM 91) in HIV‐infected subjects
Author(s) -
Zhang Ruiwen,
Yan Jieming,
Shahinian Harout,
Amin Girish,
Lu Zhihong,
Liu Tiepu,
Saag Michael S.,
Jiang Zhiwei,
Temsamani Jamal,
Martin R. Russell,
Schechter Paul J.,
Agrawal Sudhir,
Diasio Robert B.
Publication year - 1995
Publication title -
clinical pharmacology and therapeutics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.941
H-Index - 188
eISSN - 1532-6535
pISSN - 0009-9236
DOI - 10.1016/0009-9236(95)90071-3
Subject(s) - pharmacokinetics , urine , pharmacology , dosing , human immunodeficiency virus (hiv) , chemistry , half life , drug , excretion , toxicity , medicine , virology , biochemistry
Human pharmacokinetics of an antisense oligodeoxynucleotide phosphorothioate (GEM 91) developed as an anti—human immunodeficiency virus (HIV) agent was carried out in this study. 35 S‐Labeled GEM 91 was administered to six HIV‐infected individuals by means of 2‐hour intravenous infusions at a dose of 0.1 mg/kg. Plasma disappearance curves for GEM 91—derived radioactivity could be described by the sum of two exponentials, with half‐life values of 0.18 ± 0.04 and 26.71 ± 1.67 hours. The radioactivity in plasma was further evaluated by polyacrylamide gel electrophoresis, showing the presence of both intact GEM 91 and lower molecular weight metabolites. Urinary excretion represented the major pathway of elimination, with 49.15% ± 6.80% of the administered dose excreted within 24 hours and 70.37% ± 6.72% over 96 hours after dosing. The radioactivity in urine was associated with lower molecular weight metabolites. No drug‐related toxicity was observed. Clinical Pharmacology & Therapeutics (1995) 58 , 44–53; doi: 10.1016/0009‐9236(95)90071‐3